This is a discussion on What's needed for a bigger turbo on my wrx within the Motorsports Talk forums, part of the Community - Meet other Enthusiasts category; Originally Posted by WRX-maniac
Haha, good catch. I meant to say torque. (fixed) And you are right about the clutch ...

Haha, good catch. I meant to say torque. (fixed) And you are right about the clutch wanting to be the weak point. Clutches are much cheaper than gearsets! And OP, intakes pretty much require a tune. However, and lytlec correct me if im wrong here, but the older wrx's were able to run intakes without a tune. If i am correct on that then the intake should be fine. Although at this time with your car being stock is basically just a noise maker.

I know the 02-03 didn't have much of an issue with running certain mods without tunes. I think an 05 with a CAI should have a tune. I would if it were mine. It seems like a significant change over the stock setup.

Sounds like you jumped into a car you didnt know to much about. You are saying there was an exhaust pre-existing on the car when you bought it, and you have no clue if there was any engine management such as an accessport to properly tune it. If it was tuned im sure the owner before would have told you and thats something you'd more than likely remember. So im guessing that this guy you bought it from had an intake and a turbo back exhaust without a tune, and after a while it started developing problems so he opted to sell it before it blew up and he was stuck with it. This is just my opinion though.

Op, just consider this a lesson learned. Firgure out exactly what mods are done to the car now, if it has a downpipe, intake, etc and go from there. Good luck with this build. Keep it simple until you are more knowledgable about these cars and what mods will do for you.

It is not a turbo back exhaust, just an axle back Greddy exhaust, stock down pipe stock mid pipe stock up pipe. I bought it from a subaru dealer, it had been traded in for a new one. I didn't know much about it, as I said first import build i wanted a learning experience. If I wanted an easy build I would've just bought a civic

Have they opened up the motor to find out what the problem is yet? My money is on the previous owner ignorantly modding, then returning it to stock before he traded it in. Then when you bought it, the motor finally let loose.

Rule of thumb. Don't launch the wrx at all. They are not built for it. The sti is but the wrx....not so much. Once you learn the clutch engagement you can easily take off from a stop without launching hard.

See if the shop can tell you what all is aftermarket on the car and once you get it back just make sure you break in the new engine properly and get it tuned if needed due to engine mods. If it has mods on it currently that need tuned I would try to get some sort of map put on it so you can safely break the new block in.

Maybe you should worry more about properly maintaining your car as is, before trying to slap a bigger turbo on it.

Some obvious things you need to learn:
1. Don't drive the piss out of a car, until you know what you're driving and if you'll **** it up.
2. If you mod a turbocharged car, you need a tune to match.
3. If you keep "launching" your AWD car, you're probably going to want to have your shop put a transmission on order.

Originally Posted by Bmarr05WRX

Because I'm supposed to know how to launch an awd car when I've never owned one in my life. Right? Says the guy who bitches cuz his center council won't close lol

You'd probably bitch too, if you had 30k to spend on a car and still had to deal with bull**** problems like interior issues.

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